Wide range of approved cable diameters.IP 68 rated.Widest range of approved cable diameters.Acme threads on body prevent skipping and speed installation.For use in clearance or threaded holes.All nylon construction with TPE sealing gland resists salt water, weak acids, gasoline, alcohol, oil, grease, and common solvents. (This feature is not assessed by UL.)PG hub threads are steel conduit threads per DIN 40430.Multiple sizes for flexible cord diameters ranging from .064" (1,6 mm) to .990" (25,1 mm). For larger sizes, see Heyco-Tite Liquid Tight Cordgrips.We recommend using the cordgrip with the smallest maximum diameter that will fit your application. Cable ranges listed are for the maximum IP68 sealing range. Contact Heyco for UL approved 514B cable ranges.Unassembled Nylon Locknuts INCLUDED.For Heyco Liquid Tight Threaded Plugs, click here.